Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 232B189 found under Resistor Adjustable by Otis Elevator Co. The National Stock Number assigned to this part is 5905008316237, and the Federal Supply Class is 5905 Resistors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 232B189.